CVE-2026-28983
HIGHiOS and iPadOS < 18.7.9 - Denial of Service via Type Confusion
Title source: llmDescription
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause a denial of service.
Scores
CVSS v3
7.5
EPSS
0.0021
EPSS Percentile
43.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-843
Status
published
Products (12)
Apple/iOS and iPadOS
< 18.7.9
Apple/iOS and iPadOS
< 26.5
apple/ipados
< 18.7.9
apple/iphone_os
< 18.7.9
Apple/macOS
< 26.5
apple/macos
26.0 - 26.5
Apple/tvOS
< 26.5
apple/tvos
< 26.5
Apple/visionOS
< 26.5
apple/visionos
< 26.5
... and 2 more
Published
May 11, 2026
Tracked Since
May 12, 2026